During Adult Swim's Toonami block popular TV anime series 'Sword art Online' is set to make a debut come July 27th 2013 at 2:00 a.m. EDT/PDT. The new addition will replace Thundercats in the time slot. The anime received an English dub courtesy of Aniplex of America. Along with this Toonami also announced that it will be adding the second season of Big O to its line-up replacing Sym-Bionic Titan.